tr.v. ne·gat·ed, ne·gat·ing, ne·gates
1. To make ineffective or invalid; nullify: a wage increase that was negated by inflation; a goal that was negated by an official's ruling.
2. To make negative: In German, sentences can be negated by using the word "nicht."
3. Computers To perform the machine logic operation NOT gate.
[Latin negāre, negāt-, to deny; see ne in the Appendix of Indo-European roots.]
ne·gator, ne·gater n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.